A dry or insufficiently lubricated MJ gasket will make considerable friction between the steel surfaces in the pipe as well as rubber gasket itself. This friction can make things "sense tight for the duration of wrenching," however the friction will dissipate Briefly order when wrenches stop, accounting for your lack https://www.facebook.com/permalink.php?story_fbid=pfbid02QXYFuwLGQLXhDUHWi9f9FAXEUnXjFt1fmMEnMhNRrXtfciMLWh7K6N7VSBYyk3rMl&id=61560512640678&__cft__[0]=AZWhRKNn_yQjmuAhK0j8O8MiM6756j6mdct7LkW7j2PAXy6IsfXld6cG0gMbm5Rjy3sl3DYbLf6QMajS9OJKMcVfmZoTG4QowV0yuRUScmM_QUpBboNMYwifAMUpYUoc9V2HG1zUvjP4xRfJ4-xfMlQnvhtsso0gTAI-ooCKFsA2Vh9oqqOeme_RA69Zq88pR4htTAgZ1LqNM0hdBXaps7Er&__tn__=%2CO%2CP-R